Elimination Method
2x + y =23 4x -y =19 step by step
Answers
Answered by
1
Step-by-step explanation:
2x+y=23............eq(1)
4x-y=19................eq(2)
eq(1)+(2)
2x+y=23
4x-y=19
6x=42
x=7
sub in eq(1)
2(7)+y=23
14+y=23
y=23-14
y=9
hope it helps u
Answered by
0
Step-by-step explanation:
2x+y=23-i
4x-y=19-ii
multiply eq I by 2
4x+2y=46
4x-y=19
-. +. -. subtract
-------------
3y= 27
y= 27/3
y = 9
put y=9 in eq I
2x+9=23
2x=23-9
2x=14
x=14/2
x= 7
x= 7 and y= 9
thankyou
Similar questions
History,
4 months ago
Social Sciences,
4 months ago
Chemistry,
4 months ago
Hindi,
9 months ago
Math,
1 year ago